Java:
दो तारीखों की तुलना

import java.time.LocalDate;

public class DateComparison {
    public static void main(String[] args) {
        LocalDate date1 = LocalDate.of(2023, 4, 1);
        LocalDate date2 = LocalDate.now();

        if(date1.isBefore(date2)) {
            System.out.println("Date1 is before Date2");
        } else if(date1.isEqual(date2)) {
            System.out.println("Date1 is the same as Date2");
        } else {
            System.out.println("Date1 is after Date2");
        }
    }
}

import java.time.ZonedDateTime;
import java.time.ZoneId;

public class DateTimeComparison {
    public static void main(String[] args) {
        ZonedDateTime dateTime1 = ZonedDateTime.now(ZoneId.of("Asia/Kolkata"));
        ZonedDateTime dateTime2 = ZonedDateTime.now(ZoneId.of("America/New_York"));

        if(dateTime1.isBefore(dateTime2)) {
            System.out.println("DateTime1 is before DateTime2");
        } else if(dateTime1.isEqual(dateTime2)) {
            System.out.println("DateTime1 is the same as DateTime2");
        } else {
            System.out.println("DateTime1 is after DateTime2");
        }
    }
}